﻿using System;
using System.Data;
using System.Text;
using System.Data.SqlClient;
using cebao.DBUtility;//Please add references
namespace cebao.DAL
{
	/// <summary>
	/// 数据访问类:info
	/// </summary>
	public partial class info
	{
		public info()
		{}
		#region  BasicMethod

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("iid", "info"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int iid)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from info");
			strSql.Append(" where iid=@iid");
			SqlParameter[] parameters = {
					new SqlParameter("@iid", SqlDbType.Int,4)
			};
			parameters[0].Value = iid;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(cebao.Model.info model)
		{
            StringBuilder strSql = new StringBuilder();
            strSql.Append("insert into info(");
            strSql.Append("title,infotime,uid,infocontent,caid,alevel,alarmclass)");
            strSql.Append(" values (");
            strSql.Append("@title,@infotime,@uid,@infocontent,@caid,@alevel,@alarmclass)");
            strSql.Append(";select @@IDENTITY");
            SqlParameter[] parameters = {
                    new SqlParameter("@title", SqlDbType.NVarChar,20),
                    new SqlParameter("@infotime", SqlDbType.DateTime),
                    new SqlParameter("@uid", SqlDbType.Int,4),
                    new SqlParameter("@infocontent", SqlDbType.Text),
                    new SqlParameter("@caid", SqlDbType.Int,4),
                                        new SqlParameter("@alevel", SqlDbType.NVarChar,10),
                                        new SqlParameter("@alarmclass", SqlDbType.NVarChar,20)};
            parameters[0].Value = model.title;
            parameters[1].Value = model.infotime;
            parameters[2].Value = model.uid;
            parameters[3].Value = model.infocontent;
            parameters[4].Value = model.caid;
            parameters[5].Value = model.Alevel;
            parameters[6].Value = model.Alarmclass;

            object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(cebao.Model.info model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update info set ");
			strSql.Append("title=@title,");			
			strSql.Append("infocontent=@infocontent");
			
			strSql.Append(" where iid=@iid");
			SqlParameter[] parameters = {
					new SqlParameter("@title", SqlDbType.NVarChar,20),					
					new SqlParameter("@infocontent", SqlDbType.Text),					
					new SqlParameter("@iid", SqlDbType.Int,4)};
			parameters[0].Value = model.title;
			parameters[1].Value =  model.infocontent;
			parameters[2].Value =  model.iid;		

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int iid)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from info ");
			strSql.Append(" where iid=@iid");
			SqlParameter[] parameters = {
					new SqlParameter("@iid", SqlDbType.Int,4)
			};
			parameters[0].Value = iid;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
        public bool Delete(int iid,int uid)
        {

            StringBuilder strSql = new StringBuilder();
            strSql.Append("delete from info ");
            strSql.Append(" where iid=@iid and uid=@uid");
            SqlParameter[] parameters = {
					new SqlParameter("@iid", SqlDbType.Int,4),
                    new SqlParameter("@uid", SqlDbType.Int,4)
			};
            parameters[0].Value = iid;
            parameters[1].Value = uid;
            int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
            if (rows > 0)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string iidlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from info ");
			strSql.Append(" where iid in ("+iidlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public cebao.Model.info GetModel(int iid)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 iid,title,infotime,uid,infocontent,caid from info ");
			strSql.Append(" where iid=@iid");
			SqlParameter[] parameters = {
					new SqlParameter("@iid", SqlDbType.Int,4)
			};
			parameters[0].Value = iid;

			cebao.Model.info model=new cebao.Model.info();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				return DataRowToModel(ds.Tables[0].Rows[0]);
			}
			else
			{
				return null;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public cebao.Model.info DataRowToModel(DataRow row)
		{
			cebao.Model.info model=new cebao.Model.info();
			if (row != null)
			{
				if(row["iid"]!=null && row["iid"].ToString()!="")
				{
					model.iid=int.Parse(row["iid"].ToString());
				}
				if(row["title"]!=null)
				{
					model.title=row["title"].ToString();
				}
				if(row["infotime"]!=null && row["infotime"].ToString()!="")
				{
					model.infotime=DateTime.Parse(row["infotime"].ToString());
				}
				if(row["uid"]!=null && row["uid"].ToString()!="")
				{
					model.uid=int.Parse(row["uid"].ToString());
				}
				if(row["infocontent"]!=null)
				{
					model.infocontent=row["infocontent"].ToString();
				}
				if(row["caid"]!=null && row["caid"].ToString()!="")
				{
					model.caid=int.Parse(row["caid"].ToString());
				}
			}
			return model;
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select iid,title,infotime,uid,infocontent,caid ");
			strSql.Append(" FROM info ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" iid,title,infotime,uid,infocontent,caid ");
			strSql.Append(" FROM info ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM Vinfo ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
        public int GetRecordCountmy(string strWhere)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("select count(1) FROM Vmyinfo ");
            if (strWhere.Trim() != "")
            {
                strSql.Append(" where " + strWhere);
            }
            object obj = DbHelperSQL.GetSingle(strSql.ToString());
            if (obj == null)
            {
                return 0;
            }
            else
            {
                return Convert.ToInt32(obj);
            }
        }
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.iid desc");
			}
			strSql.Append(")AS Row, T.*  from Vinfo T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

        public DataSet GetListByPagemy(string strWhere, string orderby, int startIndex, int endIndex)
        {
            StringBuilder strSql = new StringBuilder();
            strSql.Append("SELECT * FROM ( ");
            strSql.Append(" SELECT ROW_NUMBER() OVER (");
            if (!string.IsNullOrEmpty(orderby.Trim()))
            {
                strSql.Append("order by T." + orderby);
            }
            else
            {
                strSql.Append("order by T.iid desc");
            }
            strSql.Append(")AS Row, T.*  from Vmyinfo T ");
            if (!string.IsNullOrEmpty(strWhere.Trim()))
            {
                strSql.Append(" WHERE " + strWhere);
            }
            strSql.Append(" ) TT");
            strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
            return DbHelperSQL.Query(strSql.ToString());
        }

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "info";
			parameters[1].Value = "iid";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  BasicMethod
		#region  ExtensionMethod

		#endregion  ExtensionMethod
	}
}

